d000ab68248879ca3906944ba7c384a886edf94c035205c5cb80b2884d07acf4

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
10/05/2024, 23:23

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General

Target

2024-05-10_49fbaa883c6420116155bdcef92b74bd_cryptolocker.exe
Size

76KB
MD5

49fbaa883c6420116155bdcef92b74bd
SHA1

c06cabdc2b0c07883cb74dff10831f579bccf8d4
SHA256

d000ab68248879ca3906944ba7c384a886edf94c035205c5cb80b2884d07acf4
SHA512

83d1d4ab167ff29db217a67c60c4bcaf1e90826fb1dc22819ba8b72358198097fa7aa1f8703d7109f98e7bfc947af28732701f0f16e72a55117ea7aa192968a3
SSDEEP

1536:X6QFElP6n+gJQMOtEvwDpjBZYTjipvF2bx1rHsSljg:X6a+SOtEvwDpjBZYvQd2w

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d00000001342b-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000d00000001342b-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2912	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2168	2024-05-10_49fbaa883c6420116155bdcef92b74bd_cryptolocker.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2168 wrote to memory of 2912	2168	2024-05-10_49fbaa883c6420116155bdcef92b74bd_cryptolocker.exe	28
PID 2168 wrote to memory of 2912	2168	2024-05-10_49fbaa883c6420116155bdcef92b74bd_cryptolocker.exe	28
PID 2168 wrote to memory of 2912	2168	2024-05-10_49fbaa883c6420116155bdcef92b74bd_cryptolocker.exe	28
PID 2168 wrote to memory of 2912	2168	2024-05-10_49fbaa883c6420116155bdcef92b74bd_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-10_49fbaa883c6420116155bdcef92b74bd_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-10_49fbaa883c6420116155bdcef92b74bd_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2168
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2912

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\asih.exe

Filesize
76KB

MD5
80ae6b0291d66cf94f33c9342fa581d0

SHA1
7e0a2c6e0473300a3078416021403cfdb75c16b6

SHA256
e5f6f062b36c27e33581812fcaf305fecdc35db91ea98264eb66ff7c43e790dc

SHA512
41ef73c6a249dbfea5a18cbdd304115c9b529e4f8baffa49eae9d323832b53aadc182e4dfd6c34bff574b03206716410edb8ad0b99dca0a55a7d0dbd4b021762

Download Submit
memory/2168-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2168-1-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2168-8-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2912-15-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/2912-22-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download